1. 서론
The EBYTE E34-DTU-2G4D20 is a robust 100mW wireless data transceiver operating in the 2.4GHz to 2.518GHz frequency band. It facilitates data transmission and reception via RS232 and RS485 serial ports, simplifying wireless application integration. This module is engineered for high-speed, full-duplex communication, supporting simultaneous bidirectional data flow and file transfers. It features data encryption and compression to enhance security and transmission efficiency. Designed for industrial environments, the E34-DTU-2G4D20 operates within a wide voltage range of 8V to 28V and adheres to international design specifications including FCC, CE, and CCC.
그림 1: 앞쪽 view of the EBYTE E34-DTU-2G4D20 wireless data transceiver, showing RS232, RS485, DC-IN, and antenna ports.
2. 주요 특징
- Reliable nRF24L01P+ Chip: Utilizes original nRF24L01P+ chips for enhanced reliability and performance.
- 고성능: Features 100mW (20dBm) transmit power, meeting European industrial standards.
- 산업용 등급의 내구성: Equipped with temperature compensators for frequency stability (±1.5PPM) and an operating temperature range of -40℃ to +85℃.
- 견고한 디자인: Housed in an aluminum alloy case for excellent heat dissipation, shielding, electromagnetic compatibility, and strong anti-interference capabilities.
- 보호 기능: Includes power reverse, overload protection, and antenna surge protection to improve system reliability.
- 구성 가능한 매개변수: Allows programming of parameters such as transmit power, frequency, air data rate, and address.
- 전이중 통신: Supports simultaneous bidirectional data transmission at high baud rates.
- 데이터 보안: Incorporates data encryption and compression for secure and efficient data transfer.
그림 2: 각진 view of the E34-DTU-2G4D20, highlighting its compact design and robust casing.
3. 기술 사양
| 매개변수 | 값 |
|---|---|
| 주파수 범위 | 2.4GHz ~ 2.505GHz |
| 전송 전력 | 20dBm(100mW) |
| 전송 거리 | 최대 2.0km(시야) |
| 인터페이스 | RS232/RS485 |
| 공급량tage | 8V ~ 28V 직류 |
| 작동 온도 | -40℃ ~ +85℃ |
| 주파수 안정성 | ±1.5PPM |
| 제조업체 | 이바이트 |
| 모델 | E34-DTU-2G4D20 |
그림 3: Physical dimensions of the E34-DTU-2G4D20 module.
4. 설정 및 설치
Follow these steps to set up your E34-DTU-2G4D20 wireless transceiver:
- Connect Data Interface: Connect the E34-DTU-2G4D20 to your PC, PLC, or RTU using either the RS232 or RS485 interface. Ensure proper wiring for the selected serial communication standard.
- 안테나 부착: Connect a 50Ω antenna or a dummy load to the ANT port on the transceiver. A suitable antenna is crucial for optimal wireless performance.
- 전원 공급 장치: Provide power to the module via the DC-IN port. The module accepts a voltage range of 10V to 28V DC. You can use a regulated power supply or a compatible power adapter.
- 드라이버 설치(필요한 경우): If connecting to a PC, download and install the necessary drivers from the EBYTE official website to ensure proper recognition of the serial port.
- Initial Testing (Optional): For quick verification of functionality, use a serial port debugging assistant software.
- Download and install a serial port debugging assistant.
- Connect the radio, antenna, and power supply to your computer.
- Open the debugging assistant, select the corresponding serial port number, and configure it to send and receive test data.
그림 4: Connection diagram illustrating how to connect the E34-DTU-2G4D20 to a PC/PLC/RTU, antenna, and power supply.
그림 5: Screenshot demonstrating quick visualization tests for data reception and sending using serial port software.
5. 작동 모드
The E34-DTU-2G4D20 supports various operating modes, configurable via the M0 and M1 pins (typically DIP switches or jumpers). Understanding these modes is crucial for optimal performance in different applications.
| 방법 | M0 | M1 | 설명 |
|---|---|---|---|
| Mode 0: General Mode | ON | ON | Standard operating mode for serial open, wireless open, and transparent data transmission. |
| Mode 1: Wake-up Mode | ON | 끄다 | Wake-on-Air transmit mode. Packets include wake-up codes to activate receiving modules. |
| Mode 2: Battery Saving Mode | 끄다 | ON | Wake-on-Air receive mode. Designed to save power by only receiving data when woken up. This mode does not support transmission. |
| Mode 3: Sleeping Mode | 끄다 | 끄다 | The module enters a low-power sleep state. It can still receive parameter setting commands. |
그림 6: Illustration of full-duplex high-speed transmission, showing simultaneous data flow between two E34-DTU modules.
6. 유지관리
To ensure the longevity and optimal performance of your E34-DTU-2G4D20 transceiver, consider the following maintenance guidelines:
- 환경 조건: Operate the module within its specified temperature and humidity ranges. Avoid exposure to extreme temperatures, direct sunlight, or high moisture.
- 청결: 모듈에 먼지와 이물질이 닿지 않도록 하십시오. 청소할 때는 부드럽고 마른 천을 사용하십시오. 액체 세척제나 용제를 사용하지 마십시오.
- 사이: Periodically check all cable connections (RS232/RS485, antenna, power) to ensure they are secure and free from damage.
- 안테나 관리: Ensure the antenna is properly installed and not obstructed. Avoid bending or damaging the antenna.
- 전원 공급 장치: Use only power supplies that meet the specified voltag손상을 방지하기 위한 e 및 현재 요구 사항.
7. 문제 해결
If you encounter issues with your E34-DTU-2G4D20, refer to the following common troubleshooting steps:
- 전원 없음:
- 전원 공급 장치가 올바르게 연결되어 있고 지정된 전압을 공급하는지 확인하십시오.tage (8V-28V DC).
- 전원 케이블에 손상이 있는지 확인하세요.
- 전원이 활성화되어 있는지 확인하세요.
- 데이터 전송/수신 없음:
- Confirm that the RS232 or RS485 connections are secure and correctly wired.
- Check the antenna connection and ensure it is a 50Ω antenna.
- Verify that both transceivers are configured to the same frequency, air data rate, and address.
- Ensure the operating mode (M0, M1 settings) is appropriate for your application (e.g., not in sleeping mode if expecting to transmit).
- Check the serial port settings (baud rate, parity, data bits, stop bits) in your software to match the module's configuration.
- For PC connections, ensure the correct serial port driver is installed and the COM port is selected in your application.
- Poor Signal Quality or Short Range:
- Ensure the antenna is positioned optimally and not obstructed by metal objects or walls.
- 2.4GHz 대역에서 발생할 수 있는 간섭원을 확인하십시오.
- Verify the transmit power setting of the module.
- 모듈 과열:
- 모듈 주변에 적절한 환기가 이루어지도록 하십시오.
- Verify the ambient temperature is within the specified operating range.
- 전원 공급 장치의 볼륨을 확인하세요tage is within the acceptable limits.
8. 보증 및 지원
EBYTE products are designed for reliability and performance. For specific warranty details, please refer to the documentation included with your purchase or visit the official EBYTE website. For technical support, product inquiries, or assistance with troubleshooting beyond this manual, please contact EBYTE customer service through their official channels.
제조업체: 이바이트
공식적인 Web대지: www.ebyte.com
그림 7: Product box label showing manufacturer information and certifications.
